The DA 15mm Limited is one of currently five DA "Limited" series lenses - small, all-metal, extremely sharp and contrasty lenses from Pentax. All the DA Limiteds are designed specifically for APS-C, but several can be used on film/FF with minimal or no light falloff. The DA 15ltd is simply one of the best lenses I've ever used - it's small size, nice contrast and sharpness, superb flare control and great build quality make me want to take it everywhere - which results in a lot of fun and ...

In short: + Small size + Optically excellent + Built-in hood - Screw-in cap To me, above everything else, the size of the DA15ltd makes it a winner to me. I do a lot of street and travel photography with this lens. Whereas my previous wide-angle (DA12-24) was very, very big and intimidating, the DA15 is so small it doesn't make people self-conscious. This is an often overlooked but to me very important aspect of this lens. The small size also means I can carry my entire kit in a very small bag. ...